Spike's mother is coming to visit, so he pleads with Heathcliff to let it appear that he runs things around the neighborhood. Spike says he'd be a disgrace to his family if they knew he was second to a cat. Heathcliff refuses on the grounds that he doesn't want his neighborhood misrepresented, and continues to torment Spike at every opportunity. However, Heathcliff quickly learns that he is no match for Spike's mother. / Riff Raff talks Catillac...

A kitten shows up in the neighborhood with an enormous case of hero worship for Heathcliff. However, he is so much like the object of his esteem that Heathcliff himself can hardly stand his new little shadow. Eventually, the kitten moves on and leaves Heathcliff alone. / When Cleo visits her cousin, LuluBelle, in the country and takes the Catillac Cats along, it's love at first sight for Mungo and LuluBelle. But the amorous boy-next-door, Orville,...

Iggy and Marcy take Heathcliff along shopping for an anniversary gift for Grandma and Grandpa Nutmeg. Heathcliff seizes every opportunity to cause mayhem in the department store, and even tries to swipe a rhinestone collar for Sonja to replace the one she's recently lost. On the way home, Heathcliff finds Sonja's lost collar in the grass, which makes him a hero.

When Heathcliff tries to follow Iggy to a Boy Scout camp, the scout master forbids it, saying, "A common house cat could never survive in the wild." This infuriates Iggy's pet, who sneaks along anyway just to prove the scout master wrong. Even though Heathcliff gets into all kinds of mischief in the wilderness, he leads the group to safety when they get lose in the woods, so he becomes the first cat ever to be named "Scout of the Year!" / Riff Raff...

Heathcliff changes places with his royal cat double - Sir Beetcliff. Each has a hard time adjusting to the other's life. Heathcliff finally has his fill of the good life. He breaks loose from his gilded cage, returns home, and evicts Beetcliff. / Mungo becomes King of the Mungo Bungolese and does not recognize his buddies after their harrowing trip through the jungle to save Mungo from the life of a King. After showering the prisoners, Mungo realizes...

Iggy and Heathcliff are watching TV and see on the news that a prisoner escaped who looks just like Grandpa. When Grandpa comes home, they think it's him and try to hide him. The real prisoner shows up and Heathcliff and Iggy have to figure out which one is the real Grandpa. Prisoner gets taken away, and all happy. / A big game hunter comes to town claiming that no animal is too difficult to capture. Heathcliff sets out to prove his statement false....

Marcy dresses Heathcliff in baby clothes and is pushing him down the street, when two crooks disguised as mother and child rob a jewelry store. The police confuse the duos and throw Heathcliff in jail! Undaunted, our courageous cat escapes his cell, apprehends the true offenders, and surfaces a hero. / Much to Riff Raff's dismay, his mother is coming to town to see the beautiful mansion he wrote her he lived in. Riff Raff, in a frantic attempt...

Heathcliff accompanies the Nutmegs to the lake Plastered ski resort where he immediately has a tumble with Alpine, the resident St. Bernard. The ensuing fight takes us throughout the ski lodge and onto the slopes; from hot tub to snowmobile before Heathcliff proves himself the better beast.

Heathcliff sneaks into the Van Corkingdale mansion to challenge Bruno, their ferocious guard dog, and determine who the real king of the neighborhood is. Inside, Heathcliff defeats Bruno, allowing burglars to raid the house! Later, when the some crooks attempt to burgle the Nutmeg home, Heathcliff traps them for the police, and returns all the previously stolen goods to the mansion. / Cousin Lucky comes to visit Riff Raff seeking help. It seems...

Iggy is trying to master playing the trombone. Despite Iggy's best efforts, Heathcliff does everything he can to sabotage his musical talent and discourage him from continuing. The more Grandma and Grandpa Nutmeg enjoy Iggy's music, the more irritated Heathcliff becomes. / Cleo's cousin Lindsay arrives, and Riff Raff is "volunteered" to show her around town. Lindsay is an obnoxious loudmouth, and even though Riff Raff doesn't like her, Cleo gets...